Zone info
.ORG stands for "Organization" and is a so-called generic Top-Level-Domain (gTLD)
Zone use
A .ORG can be used and registered by anyone or any corporation.
Name restrictions
Minimal number of letters: 3
Maximum number of letters: 63
Allowed letters: a-z, 0-9, -
Other restrictions
You have to specify at least 2 nameservers for a .ORG domain to become active.
You may not specify more than 13 nameservers for .ORG domains.